Riyāḑ al Khabrā’ weather in September

In September, Riyāḑ al Khabrā’ sees average daytime highs of 41°C and overnight lows near 24°C, with 0 mm of rain across 0.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 42°C in the first days to 39°C by the end. The sky is clear or mostly clear about 93% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Riyāḑ al Khabrā’'s 2nd-clearest and 11th-windiest month. For the whole year in context, see Riyāḑ al Khabrā’'s year-round climate.

Daytime high
41°
4th warmest
Overnight low
24°
9th coldest
Rainfall
0 mm
0.1 wet days
Daylight
12 h 12 min
5:56 AM – 6:05 PM
Cloud cover
8%
2nd clearest
Wind
12 km/h
11th windiest
Solar energy
6.65 kWh/m²
Travel score
0.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 42°C in the first days to 39°C by the end.

A typical September day in Riyāḑ al Khabrā’ reaches about 41°C in the afternoon and slips back to 24°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 43°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
14326
24226
34226
44226
54226
64226
74226
84225
94225
104125
114125
124125
134125
144125
154124
164124
174124
184024
194024
204024
214024
224023
234023
244023
253923
263923
273923
283922
293922
303822

How September really feels in Riyāḑ al Khabrā’

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
26 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Riyāḑ al Khabrā’ weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 132.210.68.0
Feb23° / 10°61.111.18.9
Mar28° / 14°122.211.87.9
Apr33° / 19°132.512.64.5
May38° / 24°20.513.31.1
Jun42° / 26°0013.60.0
Jul43° / 27°0013.50.0
Aug43° / 27°0012.90.0
Sep41° / 24°00.112.20.2
Oct35° / 20°30.311.43.3
Nov27° / 14°212.910.77.8
Dec22° / 122.110.48.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 93% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 1%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22982
23982
24982
25982
26982
27982
28982
29982
30982

Chance of precipitation in September

Any precipitation

Riyāḑ al Khabrā’ gets around 0 mm of rain over 0.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over September. Sunrise moves from 5:49 AM to 6:02 AM, and sunset from 6:22 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:496:22
212.55:506:21
312.55:506:19
412.55:516:18
512.45:516:17
612.45:516:16
712.45:526:15
812.45:526:14
912.35:536:13
1012.35:536:12
1112.35:546:10
1212.35:546:09
1312.25:546:08
1412.25:556:07
1512.25:556:06
1612.25:566:05
1712.15:566:03
1812.15:566:02
1912.15:576:01
2012.05:576:00
2112.05:585:59
2212.05:585:58
2312.05:595:57
2411.95:595:55
2511.95:595:54
2611.96:005:53
2711.96:005:52
2811.86:015:51
2911.86:015:50
3011.86:025:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.65 kWh/m².

For context, solar energy here swings from a low near 3.99 kWh/m² to a high of 7.81 kWh/m² in June across the year — September's 6.65 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.4Intense
256.4Intense
266.4Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Riyāḑ al Khabrā’

In seasonPeak

In September, Riyāḑ al Khabrā’ sits inside its dust season. The full year is below, with each hazard's peak months called out.

Riyāḑ al Khabrā’ sees seasonal dust haze (February–September), heaviest in May.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Riyāḑ al Khabrā’?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.2
Sightseeing
9th-best month of the year
2.8
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Riyāḑ al Khabrā’.

What to pack for Riyāḑ al Khabrā’ in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Riyāḑ al Khabrā’ sees daytime highs around 41°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Riyāḑ al Khabrā’ in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riyāḑ al Khabrā’ peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJul 17UV 12Dec 18UV 5
UV index (midday)Level
Jan6High
Feb7Very high
Mar9Very high
Apr7High
May10Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct9Very high
Nov6High
Dec5Moderate

Air quality in Riyāḑ al Khabrā’ in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Riyāḑ al Khabrā’ is worst in March — around 79 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 41 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorMar 2077 µg/m³Jul 2441 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb61Unhealthy
Mar79Unhealthy
Apr71Unhealthy
May70Unhealthy
Jun45Poor
Jul41Poor
Aug41Poor
Sep41Poor
Oct42Poor
Nov50Poor
Dec54Poor
Location & terrain

Where is Riyāḑ al Khabrā’?

Riyāḑ al Khabrā’ sits at 26.1°N, 43.6°E, 658 m above sea level, in Saudi Arabia. The nearest listed city is Al Khabrā’, 7.0 km away.

Topography around Riyāḑ al Khabrā’

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riyāḑ al Khabrā’.

Within 3 km, the terrain around Riyāḑ al Khabrā’ has only modest variations in elevation — a maximum elevation change of 36 m around an average of 662 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, large variations in elevation — a maximum elevation change of 643 m.

The land around Riyāḑ al Khabrā’ is covered by bare terrain (65%) and artificial surfaces (30%) within 3 km, bare terrain (84%) within 16 km, and bare terrain (92%) within 80 km.

3 km
36 m
16 km
81 m
80 km
643 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Al Khabrā’ 7.0 km · Al Bukayrīyah 13 km · Al Badā’i‘ al Wusţá 20 km · Ar Rass 23 km · Unaizah 45 km · ‘Uyūn al Jiwā’ 49 km · Buraydah 51 km · Al Mithnab 71 km

Saudi Arabia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
230 V · 60 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$34,537
2025
Happiness
6.8 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2019
Road deaths
35.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 404

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Riyāḑ al Khabrā’ (26.0667°, 43.5534°, elevation 658 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).